Because the antitrust avenue completely failed, independent advocacy groups pivoted. Organizations like Level the Playing Field shifted away from antitrust law and began suing the Federal Election Commission (FEC). [5] Instead of arguing "monopolization," they argue that the CPD violates federal election law by using non-objective criteria (the 15% rule), which they argue turns the debates into an illegal, corporate "partisan contribution" to the two major parties. However, this regulatory approach has also faced steep uphill battles in the courts. [5, 8]